With an output of 7.5 W at 110 V this circuit was found in a 1968 Motorola documentation. The circuit has an operating range of 95 to 2 000 Hz.
Found in documentation from the 1980s, this circuit can generate signals in a range that reaches a few...
This circuit fires with the noise captured by the touch of a sensor. Signal shapes are given next...
This is a simple circuit to control a set of lamps from 3 different points. We found it in an old...